Get your bike ready to descend with the DaBomb Advance Wheelset. These robust wheels are built with a focus on descending and are suitable for use on -MTB's. The wheels consist of DaBomb Advance alloy 35mm internal width rims laced to UFO hubs.UFO series hubs use a petal-flange design to increase the spokes rigidity. The grease filling port on the rear hub allows for easy to access to maintain the ratchet without disassembling. You can decide if you want to ratchet sound to be loud or soft by filling it with more or less grease. Who's this item for: These are gravity focussed wheels that are perfect for use on hard-hitting Enduro bikes.Front wheel:Hub: UFO F-15 BoostMaterials: Aluminium with CNC Machined Body. 7075 Hollow Axle and end caps.Spoke hole count: 32Convertibility: Can be converted to Downhill Boost with an optional 20mm end cap.Bearing style/amount: 2 sealed bearingsWeight: 211g Rear Wheel:Hub: UFO R-148 BoostMaterials: Aluminium with CNC Machined Body. 7075 Hollow Axle and end caps.Spoke hole count: 32Engagement: 6 pawls, 36 ratchet teeth.Convertibility: HG Splined models can be converted to SRAM XD Driver Microspline models can not be converted. Weight: 315g Rims: DaBomb AdvanceTubeless: Yes, these rims are tubeless-ready.Weight: 532g per rim (29")Rim Dimensions: Outer Width: 35mm Inner Width: 30mm Height: 19mm ERD: 531.5mm (29") Materials: Aluminium.Spokes: 32 - Black stainless steel 14G Wheelset Weight: 2.16kg